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According to the synopsys: switch the property but you must have Design mode turned on (it`s by default) java.lang.IllegalArgumentException: wrong parent for CardLayout at java.awt.CardLayout.checkLayout(CardLayout.java:322) at java.awt.CardLayout.show(CardLayout.java:433) at com.netbeans.developerx.loaders.form.formeditor.layouts.DesignCardLayout$4.setValue(DesignCardLayout.java:325) at org.openide.explorer.propertysheet.PropertyDetails.setPropertyValue(PropertyDetails.java:184) at org.openide.explorer.propertysheet.PropertyDisplayer.setPropertyValue(PropertyDisplayer.java:723) at org.openide.explorer.propertysheet.PropertyDisplayer.setAsText(PropertyDisplayer.java:693) at org.openide.explorer.propertysheet.PropertyDisplayer.rolling(PropertyDisplayer.java:670) at org.openide.explorer.propertysheet.PropertySheet$SheetListener.sheetButtonClicked(PropertySheet.java:1116) at org.openide.explorer.propertysheet.SheetButton.notifySheetButtonListenersAboutClick(SheetButton.java:383) at org.openide.explorer.propertysheet.SheetButton.mouseReleased(SheetButton.java:453) at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:230) at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:230) at java.awt.Component.processMouseEvent(Component.java:3717) at java.awt.Component.processEvent(Component.java:3546) at java.awt.Container.processEvent(Container.java:1163) ...
Bug assigned to the module owner.